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National Stock Number:
5305-01-127-8475
Federal Supply Class:
5305
National Item Identification Number:
011278475
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| 520-4674720 ITEM 18 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM | | FASTENER LENGTH | 4.360 INCHES MINIMUM AND 4.500 INCHES MAXIMUM | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 2.791 INCHES MINIMUM AND 2.938 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 70000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 1.500 INCHES | | WIDTH ACROSS FLATS | 1.000 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 4.028 INCHES MINIMUM AND 4.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 6 | | THREAD SERIES DESIGNATOR | UNC |
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